[INFO] updating cached repository https://github.com/Trimple/rust-tasks
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff5e866a6feb64ada7afaf189e0a20dc8e84cfd6
[INFO] testing Trimple/rust-tasks against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrimple%2Frust-tasks" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Trimple/rust-tasks on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Trimple/rust-tasks
[INFO] finished tweaking git repo https://github.com/Trimple/rust-tasks
[INFO] tweaked toml for git repo https://github.com/Trimple/rust-tasks written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Trimple/rust-tasks already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] ad7e7d91b31cc596d065830508499d597cac9da530d4afd7a6392c6935e4950e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ad7e7d91b31cc596d065830508499d597cac9da530d4afd7a6392c6935e4950e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling simple-numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant is never used: `VOWELS`
[INFO] [stderr]  --> src/collections_tasks.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const VOWELS: [char; 12] = ['A', 'a', 'E', 'e', 'I', 'i', 'O', 'o', 'U', 'u', 'Y', 'y'];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_array_parameters`
[INFO] [stderr]  --> src/collections_tasks.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn calculate_array_parameters(input_array: &[i32])
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_average`
[INFO] [stderr]   --> src/collections_tasks.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn vector_average(input_vector: &mut Vec<i32>) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_median`
[INFO] [stderr]   --> src/collections_tasks.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn vector_median(input_vector: &mut Vec<i32>) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_mode`
[INFO] [stderr]   --> src/collections_tasks.rs:50:4
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn vector_mode(input_vector: &mut Vec<i32>) -> i32
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_string_to_pig_latin`
[INFO] [stderr]   --> src/collections_tasks.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn convert_string_to_pig_latin(input_string: &str)
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_vowel`
[INFO] [stderr]    --> src/collections_tasks.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn is_vowel(input_char: char) -> bool
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `console_bot`
[INFO] [stderr]    --> src/collections_tasks.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn console_bot()
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `"docker" "inspect" "ad7e7d91b31cc596d065830508499d597cac9da530d4afd7a6392c6935e4950e"`
[INFO] running `"docker" "rm" "-f" "ad7e7d91b31cc596d065830508499d597cac9da530d4afd7a6392c6935e4950e"`
[INFO] [stdout] ad7e7d91b31cc596d065830508499d597cac9da530d4afd7a6392c6935e4950e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d5f988cb97b941700288cbbf658ef7be30062f329d109121e2ad0cf05319df08
[INFO] running `"docker" "start" "-a" "d5f988cb97b941700288cbbf658ef7be30062f329d109121e2ad0cf05319df08"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling simple-numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant is never used: `VOWELS`
[INFO] [stderr]  --> src/collections_tasks.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const VOWELS: [char; 12] = ['A', 'a', 'E', 'e', 'I', 'i', 'O', 'o', 'U', 'u', 'Y', 'y'];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_array_parameters`
[INFO] [stderr]  --> src/collections_tasks.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn calculate_array_parameters(input_array: &[i32])
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_average`
[INFO] [stderr]   --> src/collections_tasks.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn vector_average(input_vector: &mut Vec<i32>) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_median`
[INFO] [stderr]   --> src/collections_tasks.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn vector_median(input_vector: &mut Vec<i32>) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_mode`
[INFO] [stderr]   --> src/collections_tasks.rs:50:4
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn vector_mode(input_vector: &mut Vec<i32>) -> i32
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_string_to_pig_latin`
[INFO] [stderr]   --> src/collections_tasks.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn convert_string_to_pig_latin(input_string: &str)
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_vowel`
[INFO] [stderr]    --> src/collections_tasks.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn is_vowel(input_char: char) -> bool
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `console_bot`
[INFO] [stderr]    --> src/collections_tasks.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn console_bot()
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "d5f988cb97b941700288cbbf658ef7be30062f329d109121e2ad0cf05319df08"`
[INFO] running `"docker" "rm" "-f" "d5f988cb97b941700288cbbf658ef7be30062f329d109121e2ad0cf05319df08"`
[INFO] [stdout] d5f988cb97b941700288cbbf658ef7be30062f329d109121e2ad0cf05319df08
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 375b38f241ac3f673095d595d229daeec7353ce2ca5628e671ffe332b450ce67
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "375b38f241ac3f673095d595d229daeec7353ce2ca5628e671ffe332b450ce67"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: constant is never used: `VOWELS`
[INFO] [stderr]  --> src/collections_tasks.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const VOWELS: [char; 12] = ['A', 'a', 'E', 'e', 'I', 'i', 'O', 'o', 'U', 'u', 'Y', 'y'];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_array_parameters`
[INFO] [stderr]  --> src/collections_tasks.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn calculate_array_parameters(input_array: &[i32])
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_average`
[INFO] [stderr]   --> src/collections_tasks.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn vector_average(input_vector: &mut Vec<i32>) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_median`
[INFO] [stderr]   --> src/collections_tasks.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn vector_median(input_vector: &mut Vec<i32>) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_mode`
[INFO] [stderr]   --> src/collections_tasks.rs:50:4
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn vector_mode(input_vector: &mut Vec<i32>) -> i32
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_string_to_pig_latin`
[INFO] [stderr]   --> src/collections_tasks.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn convert_string_to_pig_latin(input_string: &str)
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_vowel`
[INFO] [stderr]    --> src/collections_tasks.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn is_vowel(input_char: char) -> bool
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `console_bot`
[INFO] [stderr]    --> src/collections_tasks.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn console_bot()
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_numbers-82f2eb0204862586
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "375b38f241ac3f673095d595d229daeec7353ce2ca5628e671ffe332b450ce67"`
[INFO] running `"docker" "rm" "-f" "375b38f241ac3f673095d595d229daeec7353ce2ca5628e671ffe332b450ce67"`
[INFO] [stdout] 375b38f241ac3f673095d595d229daeec7353ce2ca5628e671ffe332b450ce67